What is CVE-2023-38860?

CVE-2023-38860 is a critical-severity vulnerability in Langchain, classified under Code Injection. CVSS score: 9.8/10. Published 2023-08-15.

How severe is CVE-2023-38860?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Langchain

CVE-2023-38860

An issue in LangChain v.0.0.231 allows a remote attacker to execute arbitrary code via the prompt parameter.

Vulnerability class: RCE (Remote Code Execution)

Published 2023-08-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.7th percentile), scored 2026-09-28.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Langchain — versions 0.0.231

Weakness classification (CWE)

CWE-94 — Code Injection

References

github.com/hwchase17/langchain/issues/7641 (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2023-38860?: CVE-2023-38860 is a critical-severity vulnerability in Langchain, classified under Code Injection. CVSS score: 9.8/10. Published 2023-08-15.
How severe is CVE-2023-38860?: Critical severity. CVSS v3 base score is 9.8 out of 10.